litmus test paper的意思是石蕊试纸。这是一种常用的化学指示剂试纸，可以用于检测溶液的酸碱性。当溶液为酸性时，试纸会变为红色；当溶液为碱性时，试纸会变为蓝色。这种试纸在化学实验和日常生活中都有广泛的应用，如检测食品的酸碱性、判断溶液的pH值等。
Litmus paper is handy as a generalacid-base indicator, but you can get much more specific results if you use an indicator that has a more narrow test range or that offers a wider color range. Red cabbage juice, for example, changes color in response to pH all the way from red (pH =...
1.A test for chemical acidity or basicity using litmus paper. 2.A test that uses a single indicator to prompt a decision:"The word 'hopefully' has become the litmus test to determine whether one is a language snob or a language slob"(William Safire). ...
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1. Do not touch the paper when removing the dipstick reaction ends, to avoid contamination of paper, affect the test results 2. Remove the required number of test strips, the remaining strips sealed properly to prevent a high temperature or direct vision ...
Note: Soak a test strip in the test solution for a haifsecond and compare it with the standard color, the results obtained. Product Picture Hot Products Company Profile Ningbo Yingmed Medical Instruments Co.,Ltd is one of the professional supplier for the Medical Instuments products in China....
test strips sensitivity ensures that you receive reliable results every time, making them a valuable asset for both professional and personal use. **Versatile Application Across Multiple Scenarios** Whether you're testing the pH of your pool water, spa water, or conducting a 12 panel drug test,...
3. Analyze the Results Analyze how each paper reacts to the sample. If the gas is alkaline, the red paper turns blue, and the blue paper does not change. If the sample is acidic, the red paper does not change, and the blue paper turns red. If it is neutral, neither the red paper...
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